drivers: sensor: ina219: remove redundant error check

The function ina219_set_msr_delay always returns zero, indicating success.
Therefore, the error check on its return value is unnecessary and can be removed.

Signed-off-by: Tarang Raval <tarang.raval@siliconsignals.io>

drivers/sensor/ti/ina219/ina219.c

@@ -269,11 +269,7 @@ static int ina219_init(const struct device *dev)
 	}
 
 	/* Set measurement delay */
-	rc = ina219_set_msr_delay(dev);
-	if (rc) {
-		LOG_ERR("Could not get measurement delay.");
-		return rc;
-	}
+	ina219_set_msr_delay(dev);
 
 	k_sleep(K_USEC(INA219_WAIT_STARTUP));